Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lich phan co snippets" » "dich phan co snippets", "lich han co snippets", "tich phan co snippets", "lich phan bo snippets", "lich phan cong snippets", "lich phan cac snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("lich phan co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lich phan co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lich phan co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lich phan co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.